/Engine/Plugins/Experimental/Water/Source/Runtime/Public/WaterZoneActor.h
[EWaterZoneRebuildFlags](API\Plugins\Water\EWaterZoneRebuildFlags) & operator^= ( [EWaterZoneRebuildFlags](API\Plugins\Water\EWaterZoneRebuildFlags) & Lhs, [EWaterZoneRebuildFlags](API\Plugins\Water\EWaterZoneRebuildFlags) Rhs )